A 600x450mm Solid Top Galvanised Steel Manhole Cover and Frame (10-Tonne / Medium-Duty) is a heavy-duty domestic and commercial access lid designed to cover underground inspection chambers, drainage junctions, and utility pits subject to frequent or heavier vehicle traffic.

Primary Uses & Key Features

• Commercial & Heavy Domestic Driveway Use: Rated for a 10-tonne (100kN) gross vehicle weight (GPW) or heavy wheel load capacity, making it suitable for driveways used by delivery vans, light trucks, minibuses, and frequent vehicle movement.

• Structural Durability & Corrosion Resistance: Constructed from thick mild steel and hot-dip galvanised to BS EN ISO 1461 standards to provide long-term protection against rust, standing water, and road salts.

• Anti-Slip Solid Surface: Features a raised pattern (chequer-plate/treadplate) steel surface that provides essential grip for vehicle tyres and pedestrians while completely enclosing the underground chamber.

• Standard Fitment: Designed with a 600mm x 450mm clear opening to fit standard rectangular brick chambers and plastic inspection risers.

Available for collection from our Rugby branch or local delivery using our own fleet.

Delivery is kerbside and the final offloading position is always subject to safe access and the driver’s discretion.

Please tell us before delivery about:

• Narrow roads or restricted entrances
• Parked vehicles or limited turning space
• Overhead cables, trees or other obstructions
• Soft, sloping or unsuitable ground
• Any other access concerns

Enter your postcode on the product page to check your delivery area. We’ll confirm the delivery date after your order is placed.

Is a 10T galvanised cover equivalent to a B125 ductile iron cover?

They serve similar vehicle access requirements (like driveways and small commercial yards), but the testing standards differ. A 10T GPW cover is rated for a 10-tonne overall vehicle weight (approx. 2.5-tonne wheel load) under fabrication standards, whereas a B125 cover is tested to BS EN 124 standards for a 125kN (12.5-tonne) direct load capacity.

Can this cover be installed in a public highway or road?

No. Galvanised steel covers rated at 10T GPW are intended for private driveways, commercial property access roads, and off-street parking areas. Public highways and high-speed municipal roads strictly require C250 or D400 ductile iron covers installed to highway authority standards.

Does this 10T cover come with locking screws?

Our 10T galvanised models include corner locking screws or locking tabs to fix the lid firmly into the frame. Securing these screws helps prevent unauthorized removal, reduces lid movement, and provides a tighter seal against water ingress and odours.

How do you lift a heavy 10T steel cover safely?

10T covers feature heavy-duty integral lifting keyholes or drop-down handles built into the steel plate. Insert standard manhole lifting keys into the slots or pull up the built-in handles, lifting straight upward with a two-person lift or mechanical lifter to prevent strain.